IP Tables Question

Greetings:

Given the source IP of 80.142.77.210

If I want to block the entire range of 80.142.77.0 through 80.142.77.255 do I use 80.14.77.0/24 as the IP address as part of destination and source?

If I want to block the entire range of 80.142.0.0 through 80.142.255.255 what would I use?

If I want to block the entire range of 80.0.0.0 through 80.255.255.255 what would I use?

Thank you.

 

 

 

 

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